An interesting element seems to be that different characters have multiple forms, such as Hades from Hercules, but in an alternate universe where he's taken over Olympus.
It was a different world back then
For now, here's a brief summary of the four main card types: Characters Items Actions (including songs) Locations Characters are, as the name suggests, Disney characters
Warrior of Light (Jodah, the Unifier) Jodah, the Unifier isnt my favorite commander because its overwhelmingly powerful
P.S.: I wanted to include Songcrafter MageSongcrafter Mage either as winner or runner-up, but it only grants harmonize to another card and doesn't have it itself, so it was not eligible
As for how they play, each Final Fantasy Commander Deck has a unique construction and style that encourages a different style of play